//
// Created by 66477 on 2022/9/28.
//
#include "CtrlUtil.h"

int main() {
    delete (new CtrlUtil())->start();
}

/*
 * abba
 * a
 * abcba
 * abccb
 *
 * (a+b)*(b+(n*m))
 * ())(()
 * )(
 *
 */